noun
A series of interconnected rings or links usually made of metal.
He wore a gold chain around the neck.
The anchor is connected to the boat with a 100-metre long chain.
A series of interconnected things.
a chain of mountains
a chain of ideas, one leading to the next
A series of stores or businesses with the same brand name.
That chain of restaurants is expanding into our town.
A number of atoms in a series, which combine to form a molecule.
side chain
When examined, the molecular chain included oxygen and hydrogen.
A series of interconnected links of known length, used as a measuring device.
verb
To fasten something with a chain.
You should chain your bicycle to the railings to protect it from being stolen.
To connect as if with a chain, due to dependence, addiction, or other feelings
Sometimes I feel like I'm chained to this computer.
She's been chained to her principles since she was 18, it's unlikely you can convince her otherwise.
To link multiple items together.
To secure someone with fetters.
To obstruct the mouth of a river etc with a chain.
name
A surname.